Ko Samui weather in July 2021

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  • 31°C maximum daytime temperature in July in Ko Samui31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in July in Ko Samui17
    17 days with some rainfall
  • 24°C minimum night-time temperature in July in Ko Samui24
    24°C min night temperature
  • 13 hours of daylight per day in July in Ko Samui13
    13 hours of daylight per day
  • Very high heat & humidity in July in Ko SamuiVH
    Very High heat & humidity
  • 146 mm monthly rainfall in July in Ko Samui146
    146 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Ko Samui11
    11+ (Extreme) UV index
  • 29°C sea temperature in July in Ko Samui29
    29°C sea temperature

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The July weather guide for Ko Samui, Thailand shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How hot is it in Ko Samui in July?

Daytime temperatures usually reach 31°C in Ko Samui in July with very high heat and humidity, falling to 24°C at night.

How sunny is it in Ko Samui in July?

There are normally 6 hours of bright sunshine each day in Ko Samui in July - that's 48% of daylight hours.

How warm is the sea around Ko Samui in July?

The average sea temperature around Ko Samui in July is 29°C.

Does it rain in Ko Samui in July?

There are usually 17 days with some rain in Ko Samui in July and the average monthly rainfall is 146mm.

Metric (°C / mm)  |  Imperial (°F / inches)

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Ko Samui sunrise & sunset times for July 2021

Browse the sunrise and sunset times for Ko Samui in July 2021. Select a month to view Ko Samui sunrise & sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st July 2021 06:03 18:44
Friday, 16th July 2021 06:07 18:45
Saturday, 31st July 2021 06:10 18:42
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